Our principles
Medicblu Standards
Eight principles. One commitment.
The standards we look for in every brand we include in our catalog. We maintain the same meticulousness in our own brand, Luishe Tokyo.
Our philosophy
Our eight fundamental principles
At Medicblu, we ensure that these eight principles are sought in every brand we include in our catalog. These principles are both the foundation of our own brand Luishe Tokyo's production philosophy and the standards we meticulously uphold in all brands we collaborate with.
Devotion to science
The power of nature, the accuracy of science.
EWG safety scale, pH balance, and dermatological test results — the same discipline in every formula. No ingredient can enter our catalog without evidence.
Respect for nature
Reef-safe, cruelty-free, vegan.
Coral reefs, groundwater, animal rights — these are the final tests to pass to make it into the catalog. Every product we sell goes through these three filters.
What we gave up
Why aren't we including these components?
We list the components we have abandoned not arbitrarily, but based on health and environmental evidence.
Detailed Information
Prohibited and restricted ingredients
You can find detailed information about the components under the categories.
Luishe Tokyo Prohibitions
These ingredients are not present in any Luishe Tokyo series or product. Our formulations have varying ingredient restrictions based on our series — for example, our Lotus series is free from hundreds of thousands of triggers known to feed Malassezia, which is considered responsible for fungal acne.
- 1,4-Dioxane
- Acetone
- Acrylic Acid
- Benzene
- Butylhydroxytoluene (BHT)
- Butylparaben
- Cinnamaldehyde (Cinnamal)
- Cocamide DEA
- Formaldehyde
- Hydroquinone
- Methylisothiazolinone (MIT)
- Octinoxate (Ethylhexyl Methoxycinnamate)
- Oxybenzone (Benzophenone-3)
- Phthalates (DEHP, DBP, BBP)
- Resorcinol
- Sodium Laureth Sulfate (SLES)
- Triclosan
- Toluene
- Benzophenone-4
- Methylparaben
- Isopropylparaben
- Phenoxyethanol
- Propylene Glycol
- P-Phenylenediamine
- Tetrasodium EDTA
- Isobutylparaben
- Benzyl Alcohol
- Cocamidopropyl Betaine
- Chlorphenesin
- Thimerosal (Ethylmercury)
- Dimethicone
- Ammonium Persulfate
- Aluminum Chlorohydrate
- Diethanolamine (DEA)
- Sodium Chloride
- Citrus Extracts
- Methylchloroisothiazolinone (MCI)
- Calcium Hydroxide
- Toluene-2,5-Diamine
- Triethanolamine (TEA)
- Cinnamyl Alcohol
- Hydroxymethylglycinate
- Cyclopentasiloxane
- Sodium C14-16 Olefin Sulfonate
- Benzyl Salicylate
- Benzyl Cinnamate
- Lanolin
- Linalool
- Geraniol
- Isoeugenol
- Hydroxycitronellal
- Alpha-Isomethyl Ionone
- Anisyl Alcohol
- Benzyl Benzoate
- Coumarin
- Eugenol
- Farnesol
- Hexyl Cinnamal
- Hesperidin
- Limonene
- Methyl 2-octynoate
- Octyl Methoxycinnamate
- Palmitoyl Tripeptide-1
- Sodium Benzoate
- Methyl Vinyl Ether
- Phenylenediamine
- Thymol
- Cocamidopropylamine Oxide
- Octyl Dimethyl PABA
- Methylhydroxyethylcellulose
- Tetrahydropiperine
- Hydroxypropyl Methylcellulose
- Sodium Phosphate
- Petrolatum
- Titanium Dioxide (certain forms)
- Zinc Pyrithione
EU Cosmetics Regulation
The European Union's cosmetics regulation (Regulation (EC) No 1223/2009) contains provisions regarding prohibited or restricted substances in cosmetic products. The EU frequently updates these regulations in an effort to enhance safety standards in cosmetics.
Methylparaben, Ethylparaben, Butylparaben, Isobutylparaben, Propylparaben — are preservatives frequently used in cosmetics, but their use has been restricted due to their endocrine-disrupting effects.
DEHP, DBP, BBP — used in products such as nail polish and perfume. Banned due to their endocrine-disrupting properties.
Formaldehyde, Methylene glycol — carcinogenic effects; restricted use.
Benzophenone-3 (Oxybenzone) and Octinoxate — used in sunscreens, but can cause skin irritation, hormonal imbalance, and affect coral reefs. Their ban is being considered.
P-Phenylenediamine, Toluene-2,5-Diamine, Resorcinol, Lead acetate — used in hair dyes; can cause skin irritation, allergic reactions, or neurotoxic effects.
Mercury, Arsenic, Cadmium, Asbestos — have carcinogenic and toxic effects; not used in cosmetics or are subject to very strict regulations.
Toluene, Methanol — used as solvents; can be harmful through skin and respiratory exposure; restricted due to neurotoxic effects.
Triclosan — can cause irritation, although it has an antimicrobial effect.
Hydroquinone — used in skin lighteners, has carcinogenic properties.
Sodium Lauryl Sulfate (SLS) — can cause skin dryness and irritation.
Phenoxyethanol — used as a preservative, can cause skin irritation.
Butylated Hydroxytoluene (BHT) — used as an antioxidant, can cause irritation.
Benzalkonium Chloride — used in antibacterial products, excessive use is harmful.
Chlorphenesin — has an antimicrobial effect, can lead to allergic reactions.
Tetracycline — prohibited due to carcinogenic and toxic effects.